Which toner to use? I've tried the Wella t18 and it works alright, but it doesn't last long and doesn't take away as much of the yellow as I'd like. This photo
Transform Your Hair with This Amazing Liquid Hair Toner | Team True Beauty
DIY Hair: How to Use Wella Color Charm Toner - Bellatory
Wella Color Tango Toner CT 18 | How To Tone Blonde Hair At Home